rename flight subfleet join table

app/Database/migrations/2017_06_17_214650_create_flight_tables.php

@@ -73,6 +73,15 @@ class CreateFlightTables extends Migration
 
             $table->index('flight_id');
         });
+
+        Schema::create('flight_subfleet', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->unsignedInteger('subfleet_id');
+            $table->string('flight_id', \App\Interfaces\Model::ID_MAX_LENGTH);
+
+            $table->index(['subfleet_id', 'flight_id']);
+            $table->index(['flight_id', 'subfleet_id']);
+        });
     }
 
     /**
@@ -84,6 +93,7 @@ class CreateFlightTables extends Migration
     {
         Schema::drop('flight_fields');
         Schema::drop('flight_fare');
+        Schema::drop('flight_subfleet');
         Schema::drop('flights');
     }
 }

app/Database/migrations/2017_06_23_011011_create_subfleet_tables.php

@@ -35,14 +35,6 @@ class CreateSubfleetTables extends Migration
             $table->index(['fare_id', 'subfleet_id']);
         });
 
-        Schema::create('subfleet_flight', function (Blueprint $table) {
-            $table->unsignedInteger('subfleet_id');
-            $table->string('flight_id', 12);
-
-            $table->primary(['subfleet_id', 'flight_id']);
-            $table->index(['flight_id', 'subfleet_id']);
-        });
-
         Schema::create('subfleet_rank', function (Blueprint $table) {
             $table->unsignedInteger('rank_id');
             $table->unsignedInteger('subfleet_id');
@@ -63,7 +55,6 @@ class CreateSubfleetTables extends Migration
     {
         Schema::dropIfExists('subfleets');
         Schema::dropIfExists('subfleet_fare');
-        Schema::dropIfExists('subfleet_flight');
         Schema::dropIfExists('subfleet_rank');
     }
 }

app/Models/Flight.php

@@ -175,6 +175,6 @@ class Flight extends Model
 
     public function subfleets()
     {
-        return $this->belongsToMany(Subfleet::class, 'subfleet_flight');
+        return $this->belongsToMany(Subfleet::class, 'flight_subfleet');
     }
 }

app/Models/Subfleet.php

@@ -8,6 +8,7 @@ use App\Models\Traits\ExpensableTrait;
 
 /**
  * Class Subfleet
+ * @property int     id
  * @property string  type
  * @property string  ground_handling_multiplier
  * @package App\Models
@@ -81,7 +82,7 @@ class Subfleet extends Model
 
     public function flights()
     {
-        return $this->belongsToMany(Flight::class, 'subfleet_flight');
+        return $this->belongsToMany(Flight::class, 'flight_subfleet');
     }
 
     public function ranks()